JLG X500AJ Operator Manual - Manual (Page 35)

SECTION 3 - MACHINE CONTROLS, INDICATORS AND OPERATION
3121636 – JLG Lift – 3-1
SECTION 3. MACHINE CONTROLS, INDICATORS AND OPERATION
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CONTROL
LEVERS OR SWITCHES CONTROLLING PLATFORM MOVEMENT DO NOT
RETURN TO THE OFF POSITION WHEN RELEASED.
3.1 GROUND CONTROL STATION
See Figure 3-1., Ground Control Station
WHEN THE MACHINE IS SHUT DOWN BOTH EMERGENCY STOP SWITCHES
AND THE KEY SWITCH ON THE ENGINE (IF EQUIPPED) MUST BE SET TO
THE OFF POSITION TO PREVENT DRAINING THE BATTERY. FOR PRO-
LONGED SHUTDOWN OR WHILE PERFORMING MAINTENANCE/REPAIRS,
TURN OFF THE BATTERY DISCONNECT SWITCH.
1. Power/Emergency Stop Switch
A two-position red switch supplies power to PLAT-
FORM/GROUND/REMOTE SELECT switch when
twisted clockwise to be in the out (on) position.
When pushed in (off ), power is shut off to the
PLATFORM and GROUND controls.
2. Platform/Ground/Remote Select Switch
A three position, switch that provides power to the
platform when in the center (neutral) position.
With the switch turned clockwise and held, only
the ground controls are operational.
With the switch turned counter clockwise, the plat-
form (remote) control box may be connected to
the ground/maintenance cable port located in the
electrical components compartment and operated
from the ground.
Engine Start Buttons (see Figure 3-1.)
To start the engine at the ground control, the
select switch (item 2) must be in place and in the
center (neutral) position. The engine start button
(item 3) must be pushed in until the engine starts.
The button on the RIGHT is for ELECTRIC MOTOR
start, the button on the LEFT is for GAS ENGINE
start.
NOTE: When the machine is not stabilized and the engine is
not running, an alarm will sound to indicate that the
key switch on the engine is ON. Turn OFF the select
switch on the engine when not in operation.
3. Function Enable Indicator (see Figure 3-1.)
In order to operate the boom functions from the
ground controls, item 5 through 11. When the
select switch (item 2) is turned clockwise and held
in that position, this green light will illuminate to
indicate if operation is possible (machine stabi-
lized).